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Assignment:
A hollow aluminum pipe with an inside diameter of 60mm must carry an axial load of 225 kN. The calculated stress on the pipe is 110 Mpa. Determine the smallest allowable outside diameter of the pipe.
Prepare a sketch of the plan view of the slab indicating the possible location of the piers. You can assume the piers are 300mm in diameter
The drive is expected to operate at least six times per hour for three shifts per day, seven days per week, for at least 15 years.
A gravel-packed well with an effective diameter of 36 in is to be constructed in an aquifer with T = 2.6 x l04 gpd/ft and S = 2.3 x 10-5. The design flow of the well is 1000 gpm.
The hook is subjected to the force of 80 lb. Determine the state of stress at point B at section a - a . The cross section has a diameter of 0.5 in. Use the curved-beam formula to compute the bending stress.
If the resultant force acting on the support is to be 1200 lb directed horizontally to the right, determine the force F in rope A and the corresponding angle
A velocity field is given by V = xi + x(x-1)(y-1)j, where u and v are in feet. Plot the streamline that passes through x = 0 and y = 0. Compare this streamline with the streakline through the origin.
A 45 km/h wind flows over a Nissen hut which has a 3.5 m radius and is 54.9 m long (Fig. E4.1). The upstream pressure and temperature are 1.013 E+5 Pa and 288.2K respectively, and they are equal to the pressure and temperature inside the Nissen hu..
A cyclist is riding along a 25 mph and begins to coast just before encountering a hill with a 6% grade. How far up the hill can she coast before coming to a stop? Ignore air resistance and rolling friction.
The particle P moves along the parabolic surface shown. When X = 0.2 m, the particle speed is v = 5 m/s For this instant determine the corresponding values of Both x and y are in meters
Assume the stream is 3ft wide and 1ft deep (assume a rectangular cross section. If the flow throught the stream is 1000 gallons/day and the concentration at the beginning of the stream is 250 ppm
A certain material fractured in a simple tensile test at a stress level of 750MPa, the same material when used as part of a loaded structure must have principal stresses of 700, 500, and -300MPa.
The compound bar carries the axial forces P and 2P. Find the maximum allowable value of P if the working stresses are 40 ksi for steel and 20 ksi for aluminum, and the total elongation of the bar is not to exceed 0.2 in.
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